CN105522016A - Straightening machine and straightening method thereof - Google Patents

Abstract

The invention discloses a straightening machine and a straightening method thereof. The straightening machine comprises a supporting plate, a double-roll mechanism, an upper roll wheel train, a lower roll wheel train, a transmission spindle and a transmission assembly, wherein the double-roll mechanism, the upper roll wheel train, the lower roll wheel train, the transmission spindle and the transmission assembly are arranged on the supporting plate; the double-roll mechanism is arranged at a feeding end of the supporting plate; the upper roll wheel train and the lower roll wheel train are arranged on one side of the double-roll mechanism on the supporting plate in the feeding direction; the upper roll wheel train is arranged above the lower roll wheel train; the transmission spindle is arranged on the supporting plate of the lower roll wheel train; the height of a first lower roll wheel in the lower roll wheel train is greater than the height of a lower roll pressing wheel; the height of a first upper roll wheel in the upper roll wheel train is lower than the height of an upper roll pressing wheel; and the various upper roll wheels can be sequentially arranged in the feeding direction from low to high. According to the straightening machine and the straightening method thereof, workpieces can be straightened efficiently in a process of straightening different flat-plate type bent workpieces, and straightening precision and consistency can be guaranteed.

Description

A kind of straightener and aligning method thereof

Technical field

The present invention relates to a kind of straightening equipment, particularly relate to a kind of straightener and the aligning method thereof that are applicable to board workpiece.

Background technology

In the aligning method of axostylus axostyle, board workpiece, rolling and straightening is widely used and one of effective method, and its alignment principle is based on the material theory of elastic-plastic deformation.Current workpiece carries out the form that automatic aligning mainly adopts roll-in, mainly relies on the field experience of alignment workman for alignment quality, easily produces the not enough or excessively curved phenomenon of workpiece bows.

Summary of the invention

An object of the present invention is to provide a kind of straightener, and it has the advantages that alignment precision is high and alignment efficiency is high, to solve the problems referred to above existed in prior art workpiece roll-in alignment.

Another object of the present invention is to provide a kind of aligning method, it can realize the alignment of workpiece expeditiously, and can ensure alignment precision and uniformity, to solve the problems referred to above existed in prior art workpiece roll-in alignment.

For reaching this object, the present invention by the following technical solutions:

A kind of straightener, it comprises gripper shoe and is arranged at the pair roller mechanism in gripper shoe, top roll train, lower roll train, transmission main shaft and transmission component, wherein, described pair roller mechanism is arranged at the feed end in gripper shoe, it comprises rolling wheel set and lower rolling wheel set, described upper rolling wheel set can be arranged in first groove in described gripper shoe up or down by adjusting part, described lower rolling wheel set is fixedly installed in described gripper shoe, described top roll train and lower roll train are arranged at the side along the pair roller mechanism of feedstock direction in gripper shoe, described top roll train is arranged at the top of described lower roll train, and described top roll train comprises the upper roll wheel that N number of parallel interval is arranged, described upper roll wheel all can be arranged in groove that described gripper shoe is offered up or down by adjusting part, described lower roll train comprises the lower roll wheel that N+1 parallel interval is arranged, described N be not less than 1 positive integer, described upper roll wheel and the mutual cross arrangement of described lower roll wheel, described transmission main shaft is arranged in the gripper shoe of described lower roll train, and be provided with transmission component between described transmission main shaft and described lower roll wheel, each lower roll wheel rotating in same direction is driven by transmission component, the height of the first lower roll wheel in described lower roll train is higher than the height of described lower rolling wheel set, in described top roll train, the height of first upper roll wheel is lower than described upper rolling wheel set height, and the height of each upper roll wheel is arranged successively from low to high along feedstock direction.

Especially, described adjusting part comprises screw rod, fixed block, main shaft mount pad, regulates handle and rotary main shaft, described rotary main shaft is arranged in described main shaft mount pad, described rotary main shaft is provided with any one of rolling wheel set or upper roll wheel, described screw rod connects main shaft mount pad by fixed block, described adjustment handle is arranged at the end of described screw rod, described screw rod is provided with locking nut, move up and down along its groove by rotating to regulate handle drive bolt rotary and realize main shaft mount pad, thus the height of adjusting upper roll pinch roller or upper roll wheel.

Especially, described lower roll wheel is installed on one end of rotating shaft by end cap, and the other end of described rotating shaft is provided with transmission component by bearing, and described rotating shaft is rotatably installed in described gripper shoe.

Especially, described transmission component comprises the driven wheel be installed on described transmission main shaft and the travelling gear be installed in described rotating shaft, and described driven wheel is meshed with described travelling gear.

Especially, described top roll train comprises the upper roll wheel that 5 parallel interval are arranged, and described lower roll train comprises the lower roll wheel that 6 parallel interval are arranged.

A kind of aligning method, it comprises the following steps:

1) for the initial deformation amount of the workpiece of flat-type distortion, calculate the roller pressure of each roller press mechanism, and set the Bent mirror of workpiece;

2) according to the Bent mirror of workpiece, drive described screw rod to rotate by the adjustment handle rotating described top roll train, realize the adjustment to upper roll wheel height;

3) height of described upper roll wheel is made respectively from low to high by adjustment, height and the workpiece height of last upper roll wheel in described top roll train and last lower roll wheel in described lower roll train are consistent, ensure that workpiece is after roller press mechanism alignment before, straight out, in the process, in top roll train, the height of upper roll wheel is that maximum Bent mirror required for workpiece determines, maximum Bent mirror depends on that the computational methods of the roller pressure that each running roller is subject to are as follows: the resilient bending moment of workpiece is: workpiece plastic bending moment is: σ _sfor the yield limit of workpiece

$\left.\begin{array}{c}{p}_1=\frac{2}{t}{M}_2\\ p_2=\frac{2}{t}\left(2M_2+M_3\right)\\ p_3=\frac{2}{t}\left(M_2+2M_3+M_4\right)\\ P_4=\frac{2}{t}\left(M_3+2M_4+M_5\right)\\ \mathrm{......}\\ p_i=\frac{2}{t}\left(M_{i-1}+2M_i+M_{i+1}\right)\\ \mathrm{......}\\ p_{n-3}=\frac{2}{t}\left(M_{n-4}+2M_{n-3}+M_{n-2}\right)\\ p_{n-2}=\frac{2}{t}\left(M_{n-3}+2M_{n-2}+M_{n-1}\right)\\ p_{n-1}=\frac{2}{t}\left(2M_{n-1}+M_{n-2}\right)\\ p_n=\frac{2}{t}{M}_{n-1}\end{array}\right\}$

T represents the roll spacing of running roller, P _irepresent the roller pressure of each roller; M _irepresent the roll-in moment of flexure of each roller, b represents workpiece interface width, and h represents the depth of section of workpiece.

Beneficial effect of the present invention is, compared with prior art described straightener and aligning method thereof are carrying out in alignment process to different flat-type curved workpieces, can by the height of each running roller in adjusting upper roll train, ensureing that each crooked position of workpiece has enough Bent mirror, slightly crossing as occurred curved also by the existing alignment of reverse rollers compacting of next train; Particularly for part volume, the method can realize the alignment of workpiece expeditiously, and can ensure alignment precision and uniformity.

Accompanying drawing explanation

Fig. 1 is the front view of the straightener that the specific embodiment of the invention 1 provides;

Fig. 2 is the rearview of the straightener that the specific embodiment of the invention 1 provides;

Fig. 3 is the structural representation of the adjusting part of the straightener that the specific embodiment of the invention 1 provides;

Fig. 4 is the scheme of installation of the lower roll wheel of the straightener that the specific embodiment of the invention 1 provides;

Fig. 5 is each running roller layout dimension figure of the straightener that the specific embodiment of the invention 1 provides.

Fig. 6 is the roller pressure schematic diagram of each running roller for workpiece of the straightener that the specific embodiment of the invention 1 provides.

In figure:

1, gripper shoe; 2, transmission main shaft; 3, upper rolling wheel set; 4, lower rolling wheel set; 5, upper roll wheel; 6, lower roll wheel; 7, end cap; 8, rotating shaft; 9, bearing; 10, travelling gear; 11, driven wheel; 12, screw rod; 13, fixed block; 14, main shaft mount pad; 15, handle is regulated; 16, rotary main shaft, 17, locking nut.

Detailed description of the invention

Technical scheme of the present invention is further illustrated by detailed description of the invention below in conjunction with accompanying drawing.

Refer to shown in Fig. 1 to Fig. 6, in the present embodiment, a kind of straightener comprises gripper shoe 1 and is arranged at the pair roller mechanism in gripper shoe 1, top roll train, lower roll train, transmission main shaft 2 and transmission component, described pair roller mechanism is arranged at the feed end in gripper shoe 1, it comprises rolling wheel set 3 and lower rolling wheel set 4, gap between described upper rolling wheel set 3 and lower rolling wheel set 4 is the thickness of workpiece of required alignment, described upper rolling wheel set 3 can be arranged in first groove in described gripper shoe 1 up or down by adjusting part, described lower rolling wheel set 4 is fixedly installed in described gripper shoe 1, described top roll train and lower roll train are arranged at the side along the pair roller mechanism of feedstock direction in gripper shoe 1, described top roll train is arranged at the top of described lower roll train, and described top roll train comprises the upper roll wheel 5 that 5 parallel interval are arranged, described upper roll wheel 5 all can be arranged in groove that described gripper shoe 1 is offered up or down by adjusting part, described lower roll train comprises the lower roll wheel 6 that 6 parallel interval are arranged, described upper roll wheel 5 and described lower roll wheel 6 cross arrangement mutually, described transmission main shaft 2 is arranged in the gripper shoe 1 below described lower roll train, described lower roll wheel 6 is installed on one end of rotating shaft 8 by end cap 7, the other end of described rotating shaft 8 is provided with travelling gear 10 by bearing 9, the rotating shaft of described lower rolling wheel set 4 is also provided with travelling gear 10, described rotating shaft 8 is rotatably installed in described gripper shoe 1, described transmission main shaft 2 is provided with driven wheel 11, described driven wheel 11 is meshed with described travelling gear 10.Each lower roll wheel 6 rotating in same direction is driven by driven wheel 11 and travelling gear 10 by transmission main shaft 2.

The height of the first lower roll wheel 6 in described lower roll train is higher than the height of described lower rolling wheel set 4, and in described top roll train, the height of first upper roll wheel 5 is lower than described upper rolling wheel set 3 height, and the height of each upper roll wheel 5 is arranged successively from low to high along feedstock direction.

Described adjusting part comprises screw rod 12, fixed block 13, main shaft mount pad 14, regulate handle 15 and rotary main shaft 16, described rotary main shaft 16 is arranged in described main shaft mount pad 14, described rotary main shaft 16 is provided with upper roll wheel 5, if certainly the adjusting part of pair roller mechanism then rotary main shaft 16 is provided with rolling wheel set 3, described screw rod 12 connects main shaft mount pad 14 by fixed block 13, described adjustment handle 15 is arranged at the end of described screw rod 12, described screw rod 12 is provided with locking nut 17, regulate handle 15 to drive screw rod 12 to rotate and realize main shaft mount pad 14 by rotation to move up and down along its groove, thus the height of adjusting upper roll pinch roller 3 or upper roll wheel 5.

Based on an aligning method for above-mentioned straightener, it comprises the following steps:

1) for the initial deformation amount of the workpiece of flat-type distortion, calculate the roller pressure of each roller press mechanism, and set the Bent mirror of workpiece;

2) according to the Bent mirror of workpiece, drive described screw rod 12 to rotate by the adjustment handle 15 rotating described top roll train, realize the adjustment to upper roll wheel 5 height;

3) height of described upper roll wheel 5 is made along feedstock direction progressively from low to high by adjustment, height and the workpiece height of last upper roll wheel 5 in described top roll train and last lower roll wheel 6 in described lower roll train are consistent, ensure that workpiece is after roller press mechanism alignment before, straight out, in the process, the height of the upper roll wheel 5 in top roll train is the maximum Bent mirror decisions required for workpiece, and maximum Bent mirror depends on that the computational methods of the roller pressure that each running roller is subject to are as follows: the resilient bending moment of workpiece is: workpiece plastic bending moment is: σ _sfor the yield limit of workpiece

$\begin{array}{c}{p}_1=\frac{2}{t}{M}_2\\ p_2=\frac{2}{t}\left(2M_2+M_3\right)\\ p_3=\frac{2}{t}\left(M_2+2M_3+M_4\right)\\ P_4=\frac{2}{t}\left(M_3+2M_4+M_5\right)\\ \mathrm{......}\\ p_i=\frac{2}{t}\left(M_{i-1}+2M_i+M_{i+1}\right)\\ \mathrm{......}\\ p_{n-3}=\frac{2}{t}\left(M_{n-4}+2M_{n-3}+M_{n-2}\right)\\ p_{n-2}=\frac{2}{t}\left(M_{n-3}+2M_{n-2}+M_{n-1}\right)\\ p_{n-1}=\frac{2}{t}\left(2M_{n-1}+M_{n-2}\right)\\ p_n=\frac{2}{t}{M}_{n-1}\end{array}$

T represents the roll spacing of running roller, P _irepresent the roller pressure of each roller; M _irepresent the roll-in moment of flexure of each roller, b represents workpiece interface width, and h represents the depth of section of workpiece.

Above embodiment has just set forth general principle of the present invention and characteristic; the present invention does not limit by above-mentioned example; without departing from the spirit and scope of the present invention, the present invention also has various change and change, and these changes and change all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.

Claims (6)

1. a straightener, it comprises gripper shoe and is arranged at the pair roller mechanism in gripper shoe, top roll train, lower roll train, transmission main shaft and transmission component, it is characterized in that, described pair roller mechanism is arranged at the feed end in gripper shoe, it comprises rolling wheel set and lower rolling wheel set, described upper rolling wheel set can be arranged in first groove in described gripper shoe up or down by adjusting part, described lower rolling wheel set is fixedly installed in described gripper shoe, described top roll train and lower roll train are arranged at the side along the pair roller mechanism of feedstock direction in gripper shoe, described top roll train is arranged at the top of described lower roll train, and described top roll train comprises the upper roll wheel that N number of parallel interval is arranged, described upper roll wheel all can be arranged in groove that described gripper shoe is offered up or down by adjusting part, described lower roll train comprises the lower roll wheel that N+1 parallel interval is arranged, described N be not less than 1 positive integer, described upper roll wheel and the mutual cross arrangement of described lower roll wheel, described transmission main shaft is arranged in the gripper shoe of described lower roll train, and be provided with transmission component between described transmission main shaft and described lower roll wheel, each lower roll wheel rotating in same direction is driven by transmission component, the height of the first lower roll wheel in described lower roll train is higher than the height of described lower rolling wheel set, in described top roll train, the height of first upper roll wheel is lower than described upper rolling wheel set height, and the height of each upper roll wheel is arranged successively from low to high along feedstock direction.

2. straightener according to claim 1, it is characterized in that, described adjusting part comprises screw rod, fixed block, main shaft mount pad, regulates handle and rotary main shaft, described rotary main shaft is arranged in described main shaft mount pad, described rotary main shaft is provided with any one of rolling wheel set or upper roll wheel, described screw rod connects main shaft mount pad by fixed block, described adjustment handle is arranged at the end of described screw rod, described screw rod being provided with locking nut, moving up and down along its groove by rotating to regulate handle drive bolt rotary and realize main shaft mount pad.

3. straightener according to claim 1, is characterized in that, described lower roll wheel is installed on one end of rotating shaft by end cap, and the other end of described rotating shaft is provided with transmission component by bearing, and described rotating shaft is rotatably installed in described gripper shoe.

4. straightener according to claim 3, is characterized in that, described transmission component comprises the driven wheel be installed on described transmission main shaft and the travelling gear be installed in described rotating shaft, and described driven wheel is meshed with described travelling gear.

5. straightener according to claim 1, is characterized in that, described top roll train comprises the upper roll wheel that 5 parallel interval are arranged, and described lower roll train comprises the lower roll wheel that 6 parallel interval are arranged.

6. an aligning method, is characterized in that, have employed the straightener described in any one of claim 1 to 5 in the method, it comprises the following steps:

1) for the initial deformation amount of the workpiece of flat-type distortion, calculate the roller pressure of each roller press mechanism, and set the Bent mirror of workpiece;

2) according to the Bent mirror of workpiece, the carrying out of upper roll wheel height is regulated;

3) height of described upper roll wheel is made respectively from low to high by adjustment, height and the workpiece height of last upper roll wheel in described top roll train and last lower roll wheel in described lower roll train are consistent, ensure that workpiece is after roller press mechanism alignment before, straight out

In the process, in top roll train, the height of upper roll wheel is that maximum Bent mirror required for workpiece determines, maximum Bent mirror depends on that the computational methods of the roller pressure that each running roller is subject to are as follows:

The resilient bending moment of workpiece is:

$M_W=\frac{{\mathrm{bh}}_{max}^2}{6}{\mathrm{\σ}}_s,$

Workpiece plastic bending moment is:

$M_s=\frac{{\mathrm{bh}}_{max}^2}{4}{\mathrm{\σ}}_s,$

σ _sfor the yield limit of workpiece

$\left.\begin{array}{c}{p}_1=\frac{2}{t}{M}_2\\ p_2=\frac{2}{t}(2M_2+M_3)\\ p_3=\frac{2}{t}(M_2+2M_3+M_4)\\ p_4=\frac{2}{t}(M_3+2M_4+M_5)\\ \mathrm{......}\\ p_i=\frac{2}{t}(M_{i-1}+2M_i+M_{i+1})\\ \mathrm{......}\\ p_{n-3}=\frac{2}{t}(M_{n-4}+2M_{n-3}+M_{n-2})\\ p_{n-2}=\frac{2}{t}(M_{n-3}+2M_{n-2}+M_{n-1})\\ p_{n-1}=\frac{2}{t}(2M_{n-1}+M_{n-2})\\ p_n=\frac{2}{t}{M}_{n-1}\end{array}\right\}$

T represents the roll spacing of running roller, P _irepresent the roller pressure of each roller; M _irepresent the roll-in moment of flexure of each roller, b represents workpiece interface width, and h represents the depth of section of workpiece.